The popular energy shot 5-Hour Energy is said to be linked to 13 heart attack deaths over the last 4 years, according to a New York Times investigation.

"Federal officials have received reports of 13 deaths over the last four years that cited the possible involvement of 5-Hour Energy, a highly caffeinated energy shot, according to Food and Drug Administration records and an interview with an agency official."

"Since 2009, 5-Hour Energy has been mentioned in some 90 filings with the F.D.A., including more than 30 that involved serious or life-threatening injuries like heart attacks,convulsionsand, in one case, a spontaneous abortion, a summary of F.D.A. records reviewed by The New York Times showed."